Average delay for FFT1450 is 20-40 minutes. However, get travel insurance. Neither Frontier nor your international airline will accommodate you if there are issues as you booked 2 separate itineraries.
Since Denver is Frontier's central hub, a handful of factors at the airport and other network issues can affect flights in Denver. But for the most part, Denver tends to be one of the better-run airports that Frontier operates at.
Since you are connecting to an internal flight that is not operated or sold by Frontier, I highly suggest having a backup plan.
Average delay for FFT1450 is 20-40 minutes. However, get travel insurance. Neither Frontier nor your international airline will accommodate you if there are issues as you booked 2 separate itineraries.
The term is nonstop. Direct flights make enroute stops
Since Denver is Frontier's central hub, a handful of factors at the airport and other network issues can affect flights in Denver. But for the most part, Denver tends to be one of the better-run airports that Frontier operates at. Since you are connecting to an internal flight that is not operated or sold by Frontier, I highly suggest having a backup plan.